Holmium(III) oxide, also known as holmium oxide, is made by reacting holmium with oxygen. Holmium oxide is well known for its use in powerful paramagnetic substances with dysprosium(III) oxide (Dy 2 O 3). It is similar to erbium oxide. Special methods are necessary to separate these components.
Other Aruba Snorkeling Locations. While we believe the sites described above are the best Aruba snorkeling beaches and spots, here are a few others that might be good for you. De Palm Island/Slope-This is a barrier island destination fun park south of town, but north of Mangel Halto.
The Big Island has some fantastic snorkeling. Go to Kona Boys [19] to get your gear and some guidance on the best places to jump in. The Kona side has most of the best snorkeling, but Puna also has some excellent sites. Go in the morning on the Kona side, and in the afternoon in Puna, for clear and calm conditions.